BQ2000 Datasheet, PDF (12/18 Pages) Texas Instruments – Programmable Multi-Chemistry Fast-Charge Management IC

bq2000
Recommended DC Operating Conditions (TA = TOPR)
Symbol
Condition
Minimum Typical Maximum Unit
Notes
VCC
Supply voltage
4.0
5.0
6.0
V
ICC
Supply current
-
0.5
1
mA Exclusive of external loads
ICCS
Sleep current
-
-
5
µA VBAT = VSLP
VTS
Thermistor input
0.5
-
VCC
V VTS < 0.5V prohibited
VOH
Output high
VCC - 0.6
-
-
V MOD, IOH = 10mA
VOL
Output low
-
-
0.2
V MOD, LED, IOL = 10mA
IOZ
High-impedance leakage
current
-
-
5
µA LED
Isnk
Sink current
-
-
20
mA MOD, LED
RMTO Charge timer resistor
2
-
250
kΩ
CMTO Charge timer capacitor
0.001
-
1.0
µF
Note:
All voltages relative to VSS except as noted.
Impedance
Symbol
RBAT
RTS
RSNS
Parameter
Battery input impedance
TS input impedance
SNS input impedance
Minimum
Typical
Maximum
Unit
10
-
-
MΩ
10
-
-
MΩ
10
-
-
MΩ
Timing (TA = TOPR; VCC = 5V ±20% unless otherwise specified)
Symbol
dMTO
fTRKL
Parameter
MTO time-base variation
Pulse-trickle frequency
Minimum
Typical
Maximum
Unit
-5
-
+5
%
0.9
1.0
1.1
Hz
12